Table 2 Healthy subjects-Left atrial summary data for all ages (mean, 95% confidence interval)
| Â | All | Males | Females |
|---|---|---|---|
Volume [mL] SD 14.9 * | 73 (44, 102) | 77 (48, 107) | 68 (42, 95) |
Volume/BSA [mL/m2] SD 6.7 | 40 (27, 53) | 39 (26, 53) | 40 (27, 52) |
Area - 4ch [cm2] SD 3.7 * | 21 (14, 28) | 22 (14, 30) | 20 (14, 27) |
Area/BSA - 4ch [cm2/m2] SD 1.8 * | 12 (8, 15) | 11 (7, 15) | 12 (8, 15) |
Longitudinal diameter - 4ch[cm] SD 0.7 * | 5.7 (4.3, 7.0) | 5.9 (4.5, 7.2) | 5.5 (4.1, 6.9) |
Longitudinal diameter/BSA - 4ch[cm/m2] SD 0.4 * | 3.1 (2.3, 3.9) | 3.0 (2.3, 3.7) | 3.2 (2.4, 4.1) |
Transverse diameter - 4ch [cm] SD 0.5 | 4.1 (3.0, 5.1) | 4.1 (3.0, 5.2) | 4.1 (3.0, 5.1) |
Transverse diameter/BSA - 4ch [cm/m2] SD 0.3 * | 2.2 (1.6, 2.8) | 2.1 (1.5, 2.8) | 2.4 (1.8, 3.0) |
Area - 2ch [cm2] SD 4.7 * | 20 (11, 29) | 21 (12, 31) | 19 (10, 28) |
Area/BSA - 2ch [cm2/m2] SD 2.4 | 11 (6, 16) | 11 (6, 15) | 11 (6, 16) |
Longitudinal diameter - 2ch[cm] SD 0.7 * | 4.9 (3.4, 6.3) | 5.0 (3.6, 6.4) | 4.6 (3.1, 6.0) |
Longitudinal diameter/BSA - 2ch[cm/m2] SD 0.4 | 2.6 (1.9, 3.2) | 2.5 (1.8, 3.2) | 2.7 (1.2, 4.1) |
Transverse diameter - 2ch [cm] SD 0.5 †| 4.6 (3.6, 5.6) | 4.6 (3.7, 5.5) | 4.4 (3.4, 5.5) |
Transverse diameter/BSA - 2ch [cm/m2] SD 0.2 * †| 2.5 (2.0, 2.9) | 2.3 (1.9, 2.8) | 2.6 (1.5, 3.6) |
Area - 3ch [cm2] SD 3.6 * †| 18 (11, 25) | 19 (13, 26) | 17 (11, 24) |
Area/BSA - 3ch [cm2/m2] SD 1.8 †| 10 (6, 13) | 10 (6, 13) | 10 (7, 13) |
AP diameter - 3ch [cm] SD 0.5 †| 3.2 (2.2, 4.2) | 3.3 (2.3, 4.2) | 3.1 (2.1, 4.1) |
AP diameter/BSA - 3ch [cm/m2] SD 0.3 * †| 1.7 (1.2, 2.3) | 1.7 (0.7, 2.6) | 1.8 (1.3, 2.3) |